/Engine/Plugins/FX/Niagara/Source/Niagara/Public/MovieScene/MovieSceneNiagaraSystemTrack.h
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virtual void Execute ( [FPersistentEvaluationData](API\Runtime\MovieScene\Evaluation\FPersistentEvaluationData) & PersistentData, [IMovieScenePlayer](API\Runtime\MovieScene\IMovieScenePlayer) & Player )